Posted inLinux
Slow Linux Boot? Use systemd-analyze to Trace and Optimize Immediately
Don't let your Linux server boot slowly. Learn how to use systemd-analyze to track down bottlenecks and effectively optimize boot time in just a few steps.
Posted inNetwork
Implementing Dynamic Routing on Linux with FRRouting (FRR): From OSPF to BGP
Instead of manual static route configuration, use FRRouting (FRR) to automate your Linux network. A detailed guide on practical OSPF and BGP setup.
Posted inVirtualization
Memory Ballooning and KSM on KVM/Proxmox: Optimize RAM to Run More Virtual Machines
Memory Ballooning and KSM (Kernel Same-page Merging) are two RAM optimization techniques that let you run more VMs on the same hardware without upgrading your server. This guide covers practical configuration on KVM/Proxmox with a real-world comparison of the trade-offs for each approach.
Posted inNetwork
Wake-on-LAN (WoL) on Linux: Don’t Let Turning On Your Server Become a Nightmare
Stop letting remote server management haunt you. Here is a detailed guide on configuring Wake-on-LAN on Linux to boot your server remotely with a single command.
Posted inLinux
Rescuing Linux Laptop Battery Life: Mastering the TLP and Powertop Duo
Don't let your Linux laptop become a hand warmer. Here is a detailed guide on combining TLP and Powertop to increase battery life by 30-50% and keep your system cool.
Posted inLinux
Mastering Software RAID on Linux with mdadm: Practical Experience from Lab to Production
A hands-on guide to managing RAID 1/5/6 on Linux using mdadm. Discover troubleshooting secrets and storage optimization tips based on real-world experience.
Posted inVirtualization
Kata Containers: When VM Security Meets Container Speed
A guide to installing Kata Containers to combine VM security with container speed. Learn to configure microVMs for Docker and compare QEMU vs Firecracker.
Posted inNetwork
Mastering Network Namespaces: Building Your Own Isolated Network Lab on Linux
A detailed guide on using Network Namespaces on Linux for network isolation. A lightweight VM alternative for testing applications and system management.
Posted inLinux
How to Use strace to Debug Applications on Linux: Tracing System Calls and Finding Root Causes Effectively
strace lets you trace every system call a process makes on Linux — from file opens and network connections to lock waits — without needing source code or recompiling. This guide covers practical strace usage for debugging permission errors, missing files, hanging services, and I/O bottlenecks.
Posted inDatabase
Getting Started with ClickHouse: A High-Performance OLAP Database for Large-Scale Analytics
ClickHouse is a columnar OLAP database that lets you analyze hundreds of millions of rows in seconds. This guide covers installation on Linux, choosing the right table engine, importing real-world data, and production deployment tips for DevOps teams.